The Seiko 5Y23-8260 is a watch model based on the 5Y23 movement.
Parts List
| 290WC6HE01 | crystal |
| 290WC6HE | crystal |
| 35M82NA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| 86574980 | crystal gasket - crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| B1771L-LKG | band - link |
| B1771L | band |
| B1771L-PB1 | clasp - parts for buckle/clasp |
| B1771L-BK1S | clasp - clasp |
| A120BS | others - push pin (for lb) |
| 0801722 | others - date dial |
| 0866559 | others - holding ring for dial |
| 5Y238260 | others - case back |
| 5Y23826098Z | others - case |
| 5Y23845WXS14 | others - dial |
| 5Y239 | others - machine code |
| 82354401 | others - bezel |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11C54LGM | others - minute hand |
| 11C54LGH | others - hour hand |